Title:
Sound translating devices
United States Patent 2775309
Inventors:
Villchur, Edgar M.
Publication Date:
12/25/1956
Export Citation:
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Assignee:
ACOUSTIC RES INC
Primary Class:
381/346
Other Classes:
181/151
International Classes:
H04R1/28
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US Patent References:
2689016Sound reproducing system
2688373Sound translating apparatus
2469773Loud-speaker diaphragm support member
1966564Dynamic sound reproducer